Hundreds of hidden passageways weave through the old quarters of Lyon.

Known as the birthplace of Korean Buddhism, this temple features an ancient, five-story stone pagoda.

This human-made pond is part of a Korean palace complex first built in the 7th century.

Some of the freshest vegetables in Seoul are grown in a subway station.

The abandoned hospital whose elaborate ghost stories cover up the dirty truth - an uneventful sanitation issue and other mundane reasons for its demise.

South Korea's only sex-themed park.

Two thousand feline artifacts fill Malaysia's "Cat City."

Asia's largest limestone cave is home to a world of plastic goblins and gold mining history.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

Nicknamed the "Museum of Horrors," this French anatomical collection has been fascinating visitors for over a century.

A tiled, multi-level garden of survival in Lyon.

A chilling monument to Korean patriots who resisted the Japanese occupation.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

Plenty of old carney magic still haunts this photogenic amusement park.